Download now Free registration required
In open networks, especially in the global Internet consisting of thousands of independent sub-networks with different policies, a portion of the nodes must be considered malicious. A Distributed Denial of Service (DDoS) attack targets a victim using multiple colluding nodes scattered around the network, that try to deplete the resources of the target by unwanted messages. Because the number of unprotected systems attached to Internet is large, botnets have grown to consist of millions of nodes and they are actively used to attack businesses, organizations, and countries.
- Format: PDF
- Size: 92.1 KB